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MTD 3BA snow thrower Parts
Here are the diagrams and repair parts for MTD 3BA snow thrower, as well as links to manuals and error code tables, if available.
Owner’s manualBy Schematic
By Part
SELECT DIAGRAM
Browse Parts for 3BA Snowblowers
Gearbox Assembly
Part #618-04181Replaced by #918-04181
Manufacturer substitutionThis part replaces 618-04181. Substitute parts can look different from the original.In Stock$301.02
Qty
Spacer
Part #750-1356Replaced by #950-1356
Manufacturer substitutionThis part replaces 750-1356. Substitute parts can look different from the original.This item is not returnableIn Stock$19.20QtyLawn & Garden Equipment Hex Drive Screw
Part #710-0456
The manufacturer no longer makes this part, and there's no substitute part
Auger and housing/chute diagram
Auger Gearbox Assembly
Part #618-04292
The manufacturer no longer makes this part, and there's no substitute part
Transmission Assembly
Part #618-04008
The manufacturer no longer makes this part, and there's no substitute part
Handle/drive housing diagram
5.0 Hp Tecumseh Engine
Part #752T067517
The manufacturer no longer makes this part, and there's no substitute part
Snowblower Auger Housing
Part #684-04089
The manufacturer no longer makes this part, and there's no substitute part
Flat Idler
Part #756-04035
The manufacturer no longer makes this part, and there's no substitute part
Worm Shaft
Part #717-1772A
The manufacturer no longer makes this part, and there's no substitute part
Heat Shield
Part #790-00064
The manufacturer no longer makes this part, and there's no substitute part
Most common symptoms to help you fix your snowblowers
Choose a symptom to see related snowblower repairs.
Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…
Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…
Main causes: dirty carburetor, stale fuel…
Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …
Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…
Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…
Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…
Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…
Repair guides for gas snowblowers
These step-by-step repair guides will help you safely fix what’s broken on your snowblower.
How to adjust snowblower skid shoes
To prevent snowblower auger and shave plate damage, adjust the skid shoes regularly to keep the shave plate ¼-inch high.…
Repair time and Difficulty
15 minutes or less
How to rebuild a snowblower carburetor
Rebuild the carburetor on your snowblower if the engine isn't getting fuel.…
Repair time and Difficulty
45 minutes or less
How to replace a snowblower 4-way chute control assembly
Replace the 4-way chute control assembly on your snowblower if it’s damaged.…
Repair time and Difficulty
30 minutes or less
Effective articles & videos to help repair your snowblowers
Use the advice and tips in these articles and videos to get the most out of your snowblower.
If you're looking for the age of you Craftsman snowblower, our guide will help.…
Proper drive control cable tension is key to smooth snowblower operation, and you can learn how to test and adjust it yo…
Avoid costly snowblower repairs this season. Watch how to lubricate the drive hex shaft to prevent friction, improve tra…
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